package com.ljy.jymail.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.ljy.common.constant.ProductConstant;
import com.ljy.common.to.SkuHasStockVo;
import com.ljy.common.to.SkuReductionTo;
import com.ljy.common.to.SpuBoundTo;
import com.ljy.common.to.es.SkuEsModal;
import com.ljy.common.utils.R;
import com.ljy.jymail.product.entity.*;
import com.ljy.jymail.product.feign.CouponFeignService;
import com.ljy.jymail.product.feign.SearchFeignService;
import com.ljy.jymail.product.feign.WareFeignService;
import com.ljy.jymail.product.service.*;
import com.ljy.jymail.product.vo.*;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ljy.common.utils.PageUtils;
import com.ljy.common.utils.Query;

import com.ljy.jymail.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {


    @Autowired
    SpuInfoDescService spuInfoDescService;

    @Autowired
    SpuImagesService spuImagesService;

    @Autowired
    AttrService attrService;

    @Autowired
    ProductAttrValueService attributeService;

    @Autowired
    SkuInfoService skuInfoService;

    @Autowired
    SkuImagesService skuImagesService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    CouponFeignService couponFeignService;

    @Autowired
    BrandService brandService;

    @Autowired
    CategoryService categoryService;

    @Autowired
    WareFeignService wareFeignService;

    @Autowired
    SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }



    //商品发布时保存信息
    /*
    * 后台管理适合使用seata的at模式
    * */
    @Override
    @Transactional
    public void saveSpuInfo(SpuSaveVo vo) {

        //1、保存spu基本信息：pms_spu_info
        SpuInfoEntity spuInfoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,spuInfoEntity);
        spuInfoEntity.setCreateTime(new Date());
        spuInfoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(spuInfoEntity);


        //保存spu的描述图片      pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity spuInfoDescEntity = new SpuInfoDescEntity();
        spuInfoDescEntity.setSpuId(spuInfoEntity.getId());
        spuInfoDescEntity.setDecript(String.join(",",decript));
        spuInfoDescService.saveSpuInfoDesc(spuInfoDescEntity);


        //保存spu图片集      pms_spu_images
        List<String> images = vo.getImages();
        spuImagesService.saveImage(images,spuInfoEntity.getId());



        //保存spu规格参数         pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());


            //查询attr属性名
            AttrEntity byId = attrService.getById(attr.getAttrId());

            valueEntity.setAttrName(byId.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(spuInfoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        attributeService.saveProductAttr(collect);

        //保存spu积分信息  -- 远程保存
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(spuInfoEntity.getId());
//        System.out.println("---------------"+spuBoundTo);
        R r = couponFeignService.saveSpuBounds(spuBoundTo);

        if (r.getCode() != 0) {
            log.error("远程保存spu积分信息失败");
        }

        //保存当前spu对应的所有sku信息
        //1>sku基本信息  pms_sku_info
        List<Skus> skus = vo.getSkus();
        if(skus!=null && skus.size()>0){
            skus.forEach(item->{
                String defaultImg = "";
                boolean setdefaultImg = false;
                for (Images image : item.getImages()) {
                    if(image.getDefaultImg() == 1){
                        defaultImg = image.getImgUrl();
                        setdefaultImg=true;
                    }
                }

                if (setdefaultImg==false){
//                    System.out.println("没有设置，将第一张图片设置为默认图片"+item.getImages().get(0).getImgUrl());
                    defaultImg=item.getImages().get(0).getImgUrl();
                }


                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(spuInfoEntity.getBrandId());
                skuInfoEntity.setCatalogId(spuInfoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(spuInfoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                skuInfoService.saveSkuInfo(skuInfoEntity);


                Long skuId = skuInfoEntity.getSkuId();


                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity -> {
                    //返回true就是需要，false就是剔除
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());

                //5、2）、sku的图片信息：pms_sku_images
                skuImagesService.saveBatch(imagesEntities);

                //5、3）、sku的销售属性：pms_sku_sale_attr_value
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity skuSaleAttrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, skuSaleAttrValueEntity);
                    skuSaleAttrValueEntity.setSkuId(skuId);
                    return skuSaleAttrValueEntity;
                }).collect(Collectors.toList());

                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                //5、4）、sku的优惠、满减等信息：gulimall_sms--->sms_sku_ladder、sms_sku_full_reduction、sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                skuReductionTo.setMemberPrice(item.getMemberPrice());
                if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(BigDecimal.ZERO) == 1) {
//                    System.out.println("to"+skuReductionTo);
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode() != 0) {
                        log.error("远程保存sku积分信息失败");
                    }
                }
//                System.out.println("全部执行成功");

            });
        }






    }

    /*
    * 保存基本信息
    * */
    @Override
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
        this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {

        QueryWrapper<SpuInfoEntity> queryWrapper = new QueryWrapper<>();

        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            queryWrapper.and((wrapper) -> {
                wrapper.eq("id",key).or().like("spu_name",key);
            });
        }

        String status = (String) params.get("status");
        if (!StringUtils.isEmpty(status)) {
            queryWrapper.eq("publish_status",status);
        }

        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            queryWrapper.eq("brand_id",brandId);
        }

        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            queryWrapper.eq("catalog_id",catelogId);
        }

        IPage<SpuInfoEntity> page = this.page(new Query<SpuInfoEntity>().getPage(params), queryWrapper);

        return new PageUtils(page);
    }


    /*商品发布*/
    @Override
    public void up(Long spuId) {

        List<SkuEsModal> upProduct = new ArrayList<>();

        //组装需要的数据
        SkuEsModal esModal = new SkuEsModal();
        //查出当前spuId对应的所有sku信息，品牌的名字
        List<SkuInfoEntity> skus = skuInfoService.getSkuBySpuId(spuId);


        List<ProductAttrValueEntity> baseAttrs = attributeService.baseAttrlistforspu(spuId);
        List<Long> attrIds = baseAttrs.stream().map(attr -> attr.getAttrId()).collect(Collectors.toList());
        List<Long>  searchAttrIds = attrService.selectSearchAttrIds(attrIds);


        Set<Long> idSet = new HashSet<>(searchAttrIds);

        List<SkuEsModal.Attrs> attrsList = baseAttrs.stream().filter(item ->
             idSet.contains(item.getAttrId())
        ).map(item -> {
            SkuEsModal.Attrs attrs1 = new SkuEsModal.Attrs();
            BeanUtils.copyProperties(item, attrs1);
            return attrs1;
        }).collect(Collectors.toList());

        List<Long> skuIdList = skus.stream()
                .map(SkuInfoEntity::getSkuId)
                .collect(Collectors.toList());

        //TODO ：发送远程调用
        Map<Long, Boolean> hasStock =null;
        try{
            R skuHasStock = wareFeignService.getSkuHasStock(skuIdList);
            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<List<SkuHasStockVo>>() {};
            hasStock = skuHasStock.getData(typeReference).stream().collect(Collectors.toMap(SkuHasStockVo::getSkuId, item -> item.getHasStock()));
        }catch (Exception e){
            log.error("库存服务查询异常:原因{}",e);
        }

        //封装每个sku的信息
        Map<Long, Boolean> finalHasStock = hasStock;
        List<SkuEsModal> upPorduct = skus.stream().map(sku -> {
            SkuEsModal modal = new SkuEsModal();
            BeanUtils.copyProperties(sku, modal);
            modal.setHasStock(finalHasStock.get(sku.getSkuId()));
            //skuPrice,skuImage,hasStock,attrs
            modal.setSkuPrice(sku.getPrice());
            modal.setSkuImg(sku.getSkuDefaultImg());
            //保存库存信息
            //1->发送请求确认是否有库存


            //设置库存信息
            if (finalHasStock == null ){
                modal.setHasStock(true);
            }else{
                modal.setHasStock(finalHasStock.get(sku.getSkuId()));
            }

//            System.out.println("是否有库存？"+modal.getHasStock());
            //TODO : 热度评分. 0
            modal.setHotScore(0L);
            //TODO : 查出品牌名和分类名
            BrandEntity brand = brandService.getById(modal.getBrandId());
            modal.setBrandName(brand.getName());
            modal.setBrandImg(brand.getLogo());
            CategoryEntity category = categoryService.getById(modal.getCatalogId());
            modal.setCatalogName(category.getName());
            //TODO ： 查询当前sku的所有规格属性
            //TODO : 设置检索属性
            modal.setAttrs(attrsList);

            return modal;
        }).collect(Collectors.toList());

        //TODO: 发送es保存
        //TODO: 将数据发送给es进行保存，jymail-search

        //或是到了这里
        R r = searchFeignService.productStatusUp(upPorduct);
        if (r.getCode() == 0) {
            //远程调用成功
            //TODO 6、修改当前spu的状态
            this.baseMapper.updateSpuStatu(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
        } else {
            //远程调用失败
            //TODO 7、重复调用？接口幂等性:重试机制
        }



    }

    /*
    * @TODO 根据skuId找到spu的信息
    * @author ljy
    * @time 2022-02-10 09:37:56
    * @method getSpuInfoBySkuId
    * @param param
    * @return com.ljy.jymail.product.entity.SpuInfoEntity
    */
    @Override
    public SpuInfoEntity getSpuInfoBySkuId(Long skuId) {
        //根据skuId找到spuId
        SkuInfoEntity byId = skuInfoService.getById(skuId);
        Long spuId = byId.getSpuId();
        SpuInfoEntity spuInfoEntity = getById(spuId);
        return spuInfoEntity;
    }


}